Nobody is going to roll up to contribute to 1.x or 2.x Subversion if there is no copy-pasteable instructions for building on Mac, Win and Linux. And there's not - https://svn.apache.org/repos/asf/subversion/trunk/INSTALL - has no apt, nuget or homebrew advice for people wanting to get into development of Svn.
My comment from 4 days ago about unconsumed pull requests? - Paul
